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Vermeirssen, E. L. M.; Scott, A. P.: Male priming pheromone is present in bile, as well as urine, of female rainbow trout. Journal of Fish Biology 58 (4), pp. 1039 - 1045 (2001)
Vermeirssen, E. L. M.; Shields, R. J.; de Quero, C. M.; Scott, A. P.: Gonadotrophin-releasing hormone agonist raises plasma concentrations of progestogens and enhances milt fluidity in male Atlantic halibut (Hippoglossus hippoglossus). Fish Physiology and Biochemistry 22 (1), pp. 77 - 87 (2000)